Accrued Liabilities - Schedule of Accrued Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Accrued Liabilities [Abstract]
Accrued payroll and benefits	$ 1,136	$ 638
Pension obligation (see note 16)	455	453
Advance payments from customers, current portion	694	314
Warranty reserve	675	548
Foreign currency exposure provision	321	315
Accrued taxes (other than income taxes)	125	513
Accrued engineering contract costs	501	559
Other accrued expenses	352	419
Total accrued expenses	$ 4,259	$ 3,759